Butter stick



FIG. 1 is an illustration of an isometric view of a first embodiment of a butter stick;

FIG. 2 is an illustration of a top view of the butter stick of FIG. 1 with the bottom view being a mirror image thereof;

FIG. 3 is an illustration of a front view of the butter stick of FIG. 1, with the back view being a mirror image thereof;

FIG. 4 is an illustration of a right side view of the butter stick of FIG. 1, with the left side view being a mirror image thereof;

FIG. 5 is an illustration of an isometric view of a second embodiment of a butter stick;

FIG. 6 is an illustration of a top view of the butter stick of FIG. 5 with the bottom view being a mirror image thereof;

FIG. 7 is an illustration of a front view of the butter stick of FIG. 5, with the back view being a mirror image thereof; and,

FIG. 8 is an illustration of a right side view of the butter stick of FIG. 5, with the left side view being a mirror image thereof.

The evenly-spaced broken lines in FIGS. 1-8 illustrate portions of the butter stick that form no part of the claimed design. The dot-dash broken lines in FIGS. 1, 2, 5 and 6 illustrate the boundary of the claimed design which forms no part thereof. Any portions of the article between the break lines form no part of the claimed design. 

CLAIM The ornamental design for a butter stick, as shown and described. 